afni.nimh.nih.gov

Thanks for your fast answer.

As you suggested, I used in the model

-ranEff '~1+react' \

instead of

-ranEff '~1*react' \

but the areas in which I see the effects are the same. There are minor changes in cluster size alpha values, but results are identical, so the problem is still there. I assume that the size of the mask is not the problem.
I really want to figure it out!

Simone